IMO- Mathematics Olympiad Class 9: Questions 210 - 215 of 919

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Question number: 210

» Polynomials

MCQ▾

Question

Remainder when a2+b2+2(ab+bc+ca) is divided by (a+b+2c) is________

Choices

Choice (4) Response

a.

ab

b.

ab

c.

a+b

d.

0

Question number: 211

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the figure POR , QOR form a linear pair and ab=80˚ . Then a, b respectively are________

Image defines lines POQ and find a and b

Image Defines Lines POQ and Find a and B

Image defines angle POR and QOR and form a linear pair

Choices

Choice (4) Response

a.

130˚, 50˚

b.

70˚, 120˚

c.

160˚, 70˚

d.

70˚, 110˚

Question number: 212

» Lines, Angles and Quadrilaterals

MCQ▾

Question

If two supplementary angles are in the ratio 2: 3, then the angles is ________

Choices

Choice (4) Response

a.

140˚, 80˚

b.

185˚, 50˚

c.

160˚, 36˚

d.

72˚, 108˚

Question number: 213

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The angles A, B, C, D, in the parallelogram ABCD are________

Image ABCD is parallelogram

Image ABCD Is Parallelogram

Image ABCD is parallelogram and the different angles

Choices

Choice (4) Response

a.

90˚, 90˚, 90˚, 90˚

b.

30˚, 60˚, 20˚, 40˚

c.

90˚, 45˚, 30˚, 15˚

d.

90˚, 45˚, 15˚, 20˚

Question number: 214

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In the given figure, WX YZ and P=65˚ . Then ∠PSX is________

 Image defines the WX and YZ is two lines parallel

Image Defines the WX and YZ Is Two Lines Parallel

Image defines WX and YZ is two lines parallels and find the value of ∠PSX

Choices

Choice (4) Response

a.

45˚

b.

60˚

c.

155˚

d.

90˚

Question number: 215

» Lines, Angles and Quadrilaterals

MCQ▾

Question

Diagonals of a rectangle ABCD intersect at O. if AOB=70˚ , then ∠DCO is ________

Choices

Choice (4) Response

a.

70˚

b.

55˚

c.

35˚

d.

110˚

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